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- W2052669547 abstract "Racemisches Cyclopentobarbital liefert bei der Bromierung in Eisessig/HCl das Gemisch zweier epimerer 5-(2,3-Dibrompropyl)-5-(3-brom-2-hydroxycyclopentyl)-barbitursauren (4). Mit Brom in Methanol entsteht ein 7,8-Cyclopenta-9,10-dioxa-2,4-diaza[4.3.3]propellan 12. Zum Strukturbeweis wurden die 1H- und 13C-NMR-Spektren durch 2D-Techniken vollstandig zugeordnet.Bromometric Assay of CyclopentobarbitalTreatment of the cyclopentobarbital with bromate and bromide in AcOH/HCl yields a mixture of two epimeric 5-(2,3-dibromopropyl)-5-(3-bromo-2-hydroxy-cyclopentyl)barbituric acids 4. A 7,8-cyclopenta-9,10-dioxa-2,4-diaza[4.3.3]propellane 12 is formed with bromine in methanole. The structures were proved by complete assignment of the 1H- und 13C-NMR spectra using 2D techniques." @default.
- W2052669547 created "2016-06-24" @default.
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- W2052669547 date "1990-01-01" @default.
- W2052669547 modified "2023-09-24" @default.
- W2052669547 title "Zur bromometrischen Bestimmung von Cyclopentobarbital" @default.
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- W2052669547 doi "https://doi.org/10.1002/ardp.19903230608" @default.
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